GrahamDumpleton

import os
import psutil
import sys

THRESHOLD = 2*1024*1024

class MemoryUsageMiddleware(object):

    def process_request(self, request):
        request._mem = psutil.Process(os.getpid()).get_memory_info()

GrahamDumpleton

def _name_transaction(self, f, *args):
  transaction = newrelic.api.transaction.current_transaction()
  if transaction:
    name = newrelic.api.object_wrapper.callable_name(f)
    transaction.name_transaction(name)
    
newrelic.api.in_function.wrap_in_function(module, 'application._delegate',
    _name_transaction)

GrahamDumpleton

    w,h = new_img.size

    for x in range(0, w):
        adjuster = ResinAdjust()
        for y in range(0, h):
            p = new_img.getpixel((x, y))
            new_p = adjuster(p)
            new_img.putpixel((x, y), new_p)

GrahamDumpleton

class ResinAdjust(object):

    def __init__(self):
        self._lastBlack = 0
        self._lastWhite = 1

    def __call__(self, value):
        value = min(value, 180)

        if self._lastBlack:

GrahamDumpleton

# This would go in the existing [newrelic] section of agent configuration file.
# There should already be a empty setting in sample configuration file.

transaction_tracer.function_trace = pycassa.columnfamily:ColumnFamily.xget
    pycassa.columnfamily:ColumnFamily.get
    pycassa.columnfamily:ColumnFamily.get_indexed_slices
    pycassa.columnfamily:ColumnFamily.multiget
    ... add other methods
    pycassa.columnfamilymap:ColumnFamilyMap.combine_columns
    pycassa.columnfamilymap:ColumnFamilyMap.get

GrahamDumpleton

#!/usr/bin/env python
 
from gevent import monkey
monkey.patch_all()
import os
os.environ['GEVENT_NOPATCH'] = '1'

import newrelic.agent
newrelic.agent.initialize('/srv/socialcode/project/socialcode/newrelic.ini')

GrahamDumpleton

import newrelic.agent

newrelic.agent.register_application(timeout=10.0)

def start_response(status, headers): pass

@newrelic.api.web_transaction.wsgi_application()
def handler(environ, start_response):
    status = '200 OK'
    output = 'Hello World!'